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https://github.com/FFmpeg/FFmpeg.git
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07b4b0ca62
Results are from a Win64 build running on an AMD FX 6300 1121 decicycles in ttafilter_process_dec_c, 16777112 runs, 104 skips 522 decicycles in ff_ttafilter_process_dec_ssse3, 16777149 runs, 67 skips 477 decicycles in ff_ttafilter_process_dec_sse4, 16777156 runs, 60 skips Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/*
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* Copyright (c) 2014 James Almer
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavcodec/ttadsp.h"
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#include "libavutil/x86/cpu.h"
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#include "config.h"
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void ff_ttafilter_process_dec_ssse3(int32_t *qm, int32_t *dx, int32_t *dl,
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int32_t *error, int32_t *in, int32_t shift,
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int32_t round);
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void ff_ttafilter_process_dec_sse4(int32_t *qm, int32_t *dx, int32_t *dl,
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int32_t *error, int32_t *in, int32_t shift,
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int32_t round);
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av_cold void ff_ttadsp_init_x86(TTADSPContext *c)
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{
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#if HAVE_YASM
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSSE3(cpu_flags))
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c->ttafilter_process_dec = ff_ttafilter_process_dec_ssse3;
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if (EXTERNAL_SSE4(cpu_flags))
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c->ttafilter_process_dec = ff_ttafilter_process_dec_sse4;
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#endif
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}
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